The weather is changeable.

Heavy rain can't be interfered by human beings. Weather modification can only be carried out under certain conditions, such as hail suppression, fog elimination and artificial precipitation enhancement, which must meet very harsh conditions. "arbitrarily affecting the weather" cannot be implemented under the current conditions, and it may not be realistic for a long time to come. For example, it is impossible to turn a cloud into a clear sky and then rain heavily, which obviously does not conform to the law of conservation of matter.

Can the rainstorm be manually intervened? Manually stop the rain.

At present, there is basically nothing we can do about the rainstorm, because its time scale is as long as several days and its spatial scale covers hundreds of kilometers. Such a large-scale precipitation cannot be eliminated by artificially influencing the weather, nor can it be moved from one place to another, which is unrealistic.

Can the rainstorm be manually intervened? Manually stop the rain.

Although it is only a dream to artificially eliminate heavy rain, no country has really done successful experiments in this regard. However, artificial water storage can be carried out to turn rainstorm into resources and reduce the direct scouring force of rainstorm, which is indeed possible.